XpsImageType Wyliczenie

Definicja

Przestrzeń nazw:

System.Windows.Xps.Packaging

Zestaw:

ReachFramework.dll

Określa formaty graficzne obrazów, które mogą być uwzględnione w elemecie XpsDocument.

public enum class XpsImageType

public enum XpsImageType

type XpsImageType = 

Public Enum XpsImageType

Dziedziczenie

Object

ValueType

Enum

XpsImageType

Pola

JpegImageType	1	JPEG.
PngImageType	0	PNG.
TiffImageType	2	TIFF
WdpImageType	3	WDP.

Przykłady

W poniższym przykładzie pokazano, jak używać tego wyliczenia podczas dodawania obrazów do dokumentu specyfikacji papieru XML (XPS).

// ---------------------------- Create() ------------------------------
/// <summary>
///   Creates an XpsDocument using the Xps.Packaging APIs.</summary>
/// <param name="xpsDocument">
///   The XpsDocument to create.</param>
/// <remarks>
///   The Xps.Packaging APIs are used to create the DocumentSequence,
///   FixedDocument, and FixedPage "PackageParts" of an XpsDocument.
///   The applicationt is responsible for using the XmlWriter to
///   serialize the page markup and for supplying the streams for any
///   font or image resources.</remarks>
public void Create(XpsDocument xpsDocument)
{
    // Create the document sequence
    IXpsFixedDocumentSequenceWriter docSeqWriter =
        xpsDocument.AddFixedDocumentSequence();

    // Create the document
    IXpsFixedDocumentWriter docWriter = docSeqWriter.AddFixedDocument();

    // Create the Page
    IXpsFixedPageWriter pageWriter = docWriter.AddFixedPage();

    // Get the XmlWriter
    XmlWriter xmlWriter = pageWriter.XmlWriter;

    // Write the mark up according the XPS Specifications
    BeginFixedPage(xmlWriter);
    AddGlyphRun(pageWriter, xmlWriter,
        "This is a photo of the famous Notre Dame in Paris",
        16, 50, 50, @"C:\Windows\fonts\arial.ttf");

    AddImage(pageWriter, xmlWriter,
        "ParisNotreDame.jpg", XpsImageType.JpegImageType,
        100, 100, 600, 1100 );

    // End the page.
    EndFixedPage( xmlWriter );

    // Close the page, document, and document sequence.
    pageWriter.Commit();
    docWriter.Commit();
    docSeqWriter.Commit();
    _fontDictionary.Clear();
}// end:Create()

' ---------------------------- Create() ------------------------------
''' <summary>
'''   Creates an XpsDocument using the Xps.Packaging APIs.</summary>
''' <param name="xpsDocument">
'''   The XpsDocument to create.</param>
''' <remarks>
'''   The Xps.Packaging APIs are used to create the DocumentSequence,
'''   FixedDocument, and FixedPage "PackageParts" of an XpsDocument.
'''   The applicationt is responsible for using the XmlWriter to
'''   serialize the page markup and for supplying the streams for any
'''   font or image resources.</remarks>
Public Sub Create(xpsDocument As XpsDocument)
    ' Create the document sequence
    Dim docSeqWriter As IXpsFixedDocumentSequenceWriter = xpsDocument.AddFixedDocumentSequence()

    ' Create the document
    Dim docWriter As IXpsFixedDocumentWriter = docSeqWriter.AddFixedDocument()

    ' Create the Page
    Dim pageWriter As IXpsFixedPageWriter = docWriter.AddFixedPage()

    ' Get the XmlWriter
    Dim xmlWriter As XmlWriter = pageWriter.XmlWriter

    ' Write the mark up according the XPS Specifications
    BeginFixedPage(xmlWriter)
    AddGlyphRun(pageWriter, xmlWriter, "This is a photo of the famous Notre Dame in Paris", 16, 50, 50, "C:\Windows\fonts\arial.ttf")

    AddImage(pageWriter, xmlWriter, "ParisNotreDame.jpg", XpsImageType.JpegImageType, 100, 100, 600, 1100)

    ' End the page.
    EndFixedPage(xmlWriter)

    ' Close the page, document, and document sequence.
    pageWriter.Commit()
    docWriter.Commit()
    docSeqWriter.Commit()
    _fontDictionary.Clear()
End Sub

Uwagi

Użyj tej wyliczenia przede wszystkim jako parametru dla metod, które dodają obrazy do dokumentów specyfikacji papieru XML (XPS).